Fungus gnats

Discussion in 'Plant Pests, Diseases and Weeds' started by CariAnn88, Apr 1, 2014.

  1. CariAnn88

    CariAnn88 Seedling

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    I think I have got Fungus gnats in my greenhouse. Is there anyway of getting rid without having to use chemical stuff?
     
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  3. cherylad

    cherylad Countess of Cute-ification Plants Contributor

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    I'm not sure if this will work on your pests, but I've had it work before. Put some vinegar into a cup and cover it with plastic wrap. Poke a few small holes in the plastic. They will go in there and perish. It won't get them all, but it's a start.
    Good luck!
     
  4. CariAnn88

    CariAnn88 Seedling

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    Thanks :) I will give it a try
     
  5. toni

    toni Mistress of Garden Junque Staff Member Moderator Plants Contributor

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    We do that in the house. The gnats come into the house on me then spread out to find new homes :eek: A half full jar of vinegar, we poke holes in the lid and put it on the kitchen window sill and it fills up over time.
     



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  6. carolyn

    carolyn Strong Ash

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    Carri Ann, try to let the soil dry out in between watering. The larvae love really wet soil and will feed on the roots of your plants. are the gnats little black gnats or do they look like fruit fly gnats?
     
  7. CariAnn88

    CariAnn88 Seedling

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    They look like black gnats.
     
  8. waretrop

    waretrop Strong Ash Plants Contributor

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    That is my remedy. Cider vinegar in one solo glass and smashed bananas in another in water. Saran warp over the top taped or rubber banded around the lip. Poke holes, the size of lead to a pencil, in the Saran wrap and set somewhere off the side. They will crawl into the holes and not be able to get out and drown.

    They usually come from plants bought near fruit,especially bananas, like a grocery store. Fungus Gnats and Fruit Flies are cousins but they both can get into moist plants and lay their eggs, that turn into little maggots.
     
  9. CariAnn88

    CariAnn88 Seedling

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    Thanks.
    I am going to try the vinegar method.
    I will have by some bananas tomorrow and try that to.
     
  10. waretrop

    waretrop Strong Ash Plants Contributor

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    Now CariAnn88, Don't buy to many bananas or you will bring home more Gnats.

    Actually, because I'm anal, I wash bananas, with soap and water, as soon as I bring them in the house. They may have these eggs on them and they will hatch out in your house. With my pantry I have to watch out for these things.
     
  11. CariAnn88

    CariAnn88 Seedling

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    I've never seen any on a banana. But I think I am going to do the same when I bring fruit home.
     
  12. waretrop

    waretrop Strong Ash Plants Contributor

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    No No, you don't see the eggs or the little maggots. you will only see them hatched out and flying around making new eggs.

    This plastic covered glass may take a couple of weeks but you will see them in the glass flying in there. Don't feel sorry for them and open it. Just leave it.
     
  13. CariAnn88

    CariAnn88 Seedling

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  14. CariAnn88

    CariAnn88 Seedling

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    It looks like it has a green body
     
  15. waretrop

    waretrop Strong Ash Plants Contributor

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    Yes, that is a Fungus Gnat.

    There is another remedy though not natural. Go get a dog flee collar and hang it near the plant. That will help kill the buggers flying around before they hit the glass of vinegar. That helps stop the laying of more eggs.
     
  16. CariAnn88

    CariAnn88 Seedling

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    My plants don't look damaged. But I will try anything to get rid. I will have buy loads of flee collars then, they seem to be all on one side of my raised bed greenhouse.

    I have just read another remedy online.

    Just get a small plastic lid, such as the top of a milk bottle.
    Half fill the lid with Almond oil – aka ‘Sweet Almond Oil’ and place said lid in among the plants of next to an infested plant. Leave it and be amazed by how many flies find it irresistible and meet a sticky end.
     

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